Renamed "layout" lib as "app_env" with APPLICATION_ENVIRONMENT interface.
applied changed to callers.
Added CMS_THEME.has_region (a_name): BOOLEAN to know if a region is declared in a defined theme.
Protected cms service from registering many time the same module type.
Moved library/persistence/implementation/* under library/persistence/.
Moved site/www/themes to site/themes
For SQLite storage driver, auto create sqlite db file using associated sql script (to be completed).
Added code in demo module to reuse storage for module purpose.
Always call sql_post_execution in sql_query and sql_change, and not anymore by the callers.
Removed is_web and is_html from {CMS_SETUP}, it was not used.
Reused SHARED_*_ENCODER in CMS_ENCODERS
Added CMS_API.logger rather than using directly the SHARED_LOGGER.log ...
Centralize the implementation of current_user in CMS_REQUEST_UTIL
Removed the inheritance on WSF_FILTER for node handlers, since it is useless and unused.
Added CMS_NODE_API and CMS_USER_API
Prefix html id for block generated html items with "block-", to avoid css name conflict on "main", "content" or similar.
Code cleaning
Simplified schema to focus on user and node.
Now possible to have sqlite via ODBC and/or mysql support, and select using configuration file.
Updated demo example.
Reviewed configuration related feature.
Renamed JSON_CONFIGURATION as APPLICATION_JSON_CONFIGURATION_HELPER to avoid confusion.
Updated CMS_DEFAULT_SETUP to use configuration from cms configuration library.
Added {CMS_API}.module_configuration (a_module_name: READABLE_STRING_GENERAL; a_name: detachable READABLE_STRING_GENERAL): detachable CONFIG_READER to help getting access to configuration of a module (for now, only json and ini are supported, but in the future, this could support database layer directly)
Added CMS_HOOK_BLOCK_HELPER to reuse the template_block (..): ... function.
Cosmetic
Removed CMS_SETUP.smtp_server since for now, there is no need for such general setting.
Add header line "X-ServerEWF-App: CMS" as a simple way to know if request is processed by the CMS.
